What is the chemical equation for the burning of propane if all the products and reactants are in the gas phase?4H2O(g) + 3CO2(g) + 5O2(g) → C3H8(g)
C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g)
C3H8(g) + O10(g) → 3CO2(g) + 4H2O(l)
4H2O(l) + 3CO2(g) → C3H8(g) + 5O2(g)
Answer - B -
C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g)
Answers
Propane is a hydrocarbon and it will burn in presence of oxygen (it will undergo combustion) to give carbon dioxide and water (all in gas phase).
In presence of oxygen the carbon gets oxidized to carbon dioxide and hydrogen to water.
The general equation for a hydrocarbon undergoing combustion is
Here we are studying the combustion of propane so
x = 3
y = 8
Propane has molecular formula of C3H8
Therefore the balanced equation will be
Or
Answer:
B
Explanation:
its right
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Answer : The correct option is, (B)
Explanation :
According to the reactivity series of the elements, a chemical reaction occurs when the most reactive element displace the least reactive element and form more stable products as compared to the reactants.
Option A reaction :
In this, no reaction will occur because zinc is less reactive metal as compared to aluminium. So, zinc will not displace the aluminium.
Option B reaction :
In this, the reaction will occur because sodium is more reactive metal as compared to calcium. So, sodium will displace the calcium easily.
Option C reaction :
In this, no reaction will occur because hydrogen is less reactive metal as compared to magnesium. So, hydrogen will not displace the magnesium.
Option D reaction :
In this, no reaction will occur because calcium is less reactive metal as compared to barium. So, calcium will not displace the barium.
Option E reaction :
In this, no reaction will occur because barium is less reactive metal as compared to lithium. So, barium will not displace the lithium.
Hence, the option B reaction will form products that are more stable than the reactants.
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Answer:
got it correct
Explanation:
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It would be a chemical change because you can no longer go back to its original form.
Answers
The empirical formula tells the proportion of atoms or elements which are
present in a compound and not the exact number of atoms.
The molecular formula tells the exact number of atoms or molecules present
in a compound. An example is H₂0 which tells us that Hydrogen has two
atoms and oxygen has one.
Empirical formula talks about the proportion or ratio in which the molecules
are represented in the compound. This is however the major difference
between the both of them.
Read more on brainly.com/question/14401442
Answer:
Molecular formulas indicate how many atoms there are of each element in a compound, while empirical formulas indicate the reduced proportion of elements in a given compound. The molecular formula can be achieved through the empirical formula if the molecular weight of the compound is known, therefore the empirical formula alone cannot be used to obtain the molecular formula.
Explanation:
An empirical formula expresses the relative relationships of the different atoms in a given compound. For example, H2O is made up of two hydrogen atoms and 1 oxygen atom. In the same way, 1.0 mol of H2O is made up of 2.0 mol of hydrogen and 1.0 mol of oxygen. .
The molecular formula for a compound is always the empirical formula. The molecular formula can be obtained from the empirical formula if the molecular weight of the compound is known.
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